Oil pan



FIG. 1 is a front view of an oil pan according to the claimed design.

FIG. 2 is a right side view of the oil pan of FIG. 1.

FIG. 3 is a rear view of the oil pan of FIG. 1.

FIG. 4 is a left side view of the oil pan of FIG. 1.

FIG. 5 is a top view of the oil pan of FIG. 1.

FIG. 6 is a bottom view of the oil pan of FIG. 1; and,

FIG. 7 is a front-top-right perspective view of the oil pan of FIG. 1.

The broken lines in FIGS. 1-7 illustrate portions of the oil pan that form no part of the claimed design. 

CLAIM The ornamental design for an oil pan, as shown and described. 